/* roulang page: index */
:root{
  --c-ink:#16241A;
  --c-forest:#1F3D2B;
  --c-primary:#4E9A3D;
  --c-primary-dk:#3A7A2E;
  --c-primary-lt:#E8F2DE;
  --c-lime:#A9CE6B;
  --c-accent:#EE9B2E;
  --c-surface:#FFFFFF;
  --c-bg:#F7F8F1;
  --c-line:#E3E8D8;
  --c-muted:#6B7869;
  --c-error:#C24A2A;
  --sh-1:0 2px 8px rgba(22,36,26,.06);
  --sh-2:0 12px 28px rgba(22,36,26,.10);
  --r-card:16px;
  --r-btn:12px;
  --r-pill:999px;
  --r-input:10px;
  --bs-primary:#4E9A3D;
  --bs-body-bg:#F7F8F1;
  --bs-body-color:#16241A;
  --bs-border-color:#E3E8D8;
  --bs-link-color:#3A7A2E;
  --bs-link-hover-color:#4E9A3D;
  --bs-font-sans-serif:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",Inter,system-ui,-apple-system,"Segoe UI",sans-serif;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:104px;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",Inter,system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--c-primary-dk);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--c-primary);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,h5,p{margin:0;}
button{font-family:inherit;}
a:focus-visible,button:focus-visible,.btn:focus-visible,input:focus-visible,textarea:focus-visible{
  outline:2px solid var(--c-primary);
  outline-offset:2px;
}
.container{max-width:1200px;padding-left:20px;padding-right:20px;margin-left:auto;margin-right:auto;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  padding:12px 0;
  background:rgba(247,248,241,.9);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
}
.nav-shell{
  display:flex;align-items:center;gap:16px;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  padding:10px 20px;
  min-height:72px;
}
.brand{display:flex;align-items:center;gap:10px;color:var(--c-ink);flex:0 0 auto;}
.brand:hover{color:var(--c-ink);}
.brand-mark{
  width:38px;height:38px;flex:0 0 38px;border-radius:50%;
  background:var(--c-primary-lt);
  display:grid;place-items:center;
  border:1px solid #D6E7C4;
}
.brand-name{font-size:17px;font-weight:700;line-height:1.3;white-space:nowrap;}
.nav-cards{display:flex;align-items:center;gap:8px;margin-left:auto;flex-wrap:wrap;}
.nav-card{
  display:inline-flex;align-items:center;gap:6px;
  padding:8px 15px;
  border-radius:var(--r-pill);
  background:var(--c-primary-lt);
  color:var(--c-primary-dk);
  font-size:14px;font-weight:600;
  border:1px solid transparent;
  transition:transform .18s ease,background .18s ease,color .18s ease,box-shadow .18s ease;
}
.nav-card:hover{
  background:#DCEBCE;color:var(--c-primary-dk);
  transform:translateY(-2px);
  box-shadow:0 4px 12px rgba(22,36,26,.08);
}
.nav-card.active{background:var(--c-primary);color:#fff;border-color:var(--c-primary-dk);}
.nav-card svg{flex:0 0 auto;}
.nav-cta{
  display:inline-flex;align-items:center;justify-content:center;
  height:44px;padding:0 22px;
  border-radius:var(--r-btn);
  background:var(--c-accent);color:#fff;
  font-size:15px;font-weight:600;
  border:1px solid var(--c-accent);
  transition:background .18s ease,transform .18s ease,box-shadow .18s ease;
  flex:0 0 auto;
}
.nav-cta:hover{background:#D98A22;color:#fff;transform:translateY(-1px);box-shadow:0 6px 16px rgba(238,155,46,.28);}
.nav-toggle{
  display:none;margin-left:auto;
  width:42px;height:42px;
  border-radius:var(--r-btn);
  border:1px solid var(--c-line);
  background:var(--c-primary-lt);
  color:var(--c-primary-dk);
  align-items:center;justify-content:center;
  cursor:pointer;flex:0 0 auto;
  transition:background .18s ease;
}
.nav-toggle:hover{background:#DCEBCE;}
.nav-drawer{display:none;}
.nav-drawer .drawer-link{
  display:block;padding:12px 14px;border-radius:12px;
  background:var(--c-primary-lt);color:var(--c-primary-dk);
  font-size:14px;font-weight:600;
}
.nav-drawer .drawer-link:hover{background:#DCEBCE;}
.nav-drawer .drawer-link.active{background:var(--c-primary);color:#fff;}
.nav-drawer .drawer-cta{grid-column:1 / -1;width:100%;margin-top:4px;}

/* ---------- 通用按钮 ---------- */
.btn-k{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 24px;
  border-radius:var(--r-btn);
  font-size:15px;font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
  text-align:center;
}
.btn-k-lg{height:52px;padding:0 28px;font-size:16px;}
.btn-k-primary{background:var(--c-primary);color:#fff;border-color:var(--c-primary);}
.btn-k-primary:hover{background:var(--c-primary-dk);color:#fff;transform:translateY(-1px);box-shadow:0 8px 18px rgba(78,154,61,.24);}
.btn-k-accent{background:var(--c-accent);color:#fff;border-color:var(--c-accent);}
.btn-k-accent:hover{background:#D98A22;color:#fff;transform:translateY(-1px);box-shadow:0 8px 18px rgba(238,155,46,.26);}
.btn-k-ghost{background:#fff;color:var(--c-ink);border-color:var(--c-line);}
.btn-k-ghost:hover{background:var(--c-primary-lt);border-color:var(--c-primary);color:var(--c-primary-dk);transform:translateY(-1px);}
.btn-k-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.42);}
.btn-k-light:hover{background:#fff;color:var(--c-forest);border-color:#fff;transform:translateY(-1px);}

/* ---------- 板块 ---------- */
.section{padding:88px 0;}
.section-alt{background:#fff;}
.section-tight{padding:64px 0;}
.section-head{max-width:720px;margin-bottom:36px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 14px;border-radius:var(--r-pill);
  background:var(--c-primary-lt);color:var(--c-primary-dk);
  font-size:12px;font-weight:600;margin-bottom:14px;
}
.section-head h2{
  font-size:clamp(22px,2.6vw,30px);line-height:1.35;font-weight:700;
  color:var(--c-ink);margin-bottom:12px;
}
.section-head p{font-size:15px;color:var(--c-muted);line-height:1.85;}

/* ---------- Hero ---------- */
.hero{padding:56px 0 76px;position:relative;overflow:hidden;}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:52px;align-items:center;}
.hero h1{
  font-size:clamp(28px,4.2vw,44px);
  line-height:1.25;
  font-weight:700;
  color:var(--c-ink);
  margin-bottom:18px;
}
.hero-sub{font-size:17px;color:var(--c-muted);line-height:1.85;margin-bottom:28px;max-width:560px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:26px;}
.hero-pills{display:flex;flex-wrap:wrap;gap:10px;}
.pill-info{
  display:inline-flex;align-items:center;gap:6px;
  padding:7px 14px;border-radius:var(--r-pill);
  background:var(--c-primary-lt);color:var(--c-primary-dk);
  font-size:12px;font-weight:600;
}
.hero-visual{position:relative;min-height:400px;}
.hero-back{
  position:absolute;inset:0 24px 40px 0;
  border-radius:20px;overflow:hidden;
  box-shadow:var(--sh-2);
}
.hero-back img{width:100%;height:100%;object-fit:cover;}
.hero-back::after{content:"";position:absolute;inset:0;background:rgba(31,61,43,.28);}
.hero-shot{
  position:absolute;right:0;bottom:0;width:74%;
  border-radius:14px;overflow:hidden;
  border:5px solid #fff;
  box-shadow:var(--sh-2);
  transform:rotate(2deg);
  background:#fff;
}
.hero-shot img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.hero-visual::after{
  content:"";position:absolute;right:-14px;top:-16px;width:104px;height:104px;
  background-image:radial-gradient(circle,rgba(78,154,61,.9) 1.5px,transparent 1.6px);
  background-size:14px 14px;opacity:.18;border-radius:16px;pointer-events:none;
}

/* ---------- 价值条 ---------- */
.value-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.value-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:28px;box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease;
  height:100%;
}
.value-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.icon-round{
  width:48px;height:48px;border-radius:50%;
  background:var(--c-primary-lt);color:var(--c-primary-dk);
  display:grid;place-items:center;margin-bottom:16px;
}
.value-card h3{font-size:17px;font-weight:600;margin-bottom:8px;}
.value-card p{font-size:14px;color:var(--c-muted);line-height:1.8;}

/* ---------- 轮播 ---------- */
.shot-carousel{position:relative;}
.shot-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);height:100%;
  transition:transform .2s ease,box-shadow .2s ease;
  margin:0;
}
.shot-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.shot-img{aspect-ratio:16/10;overflow:hidden;background:var(--c-primary-lt);}
.shot-img img{width:100%;height:100%;object-fit:cover;}
.shot-card figcaption{padding:18px 20px 22px;}
.shot-card h3{font-size:16px;font-weight:600;margin-bottom:6px;}
.shot-card figcaption p{font-size:13px;color:var(--c-muted);line-height:1.75;}
.shot-carousel .carousel-indicators{
  position:static;margin:28px 0 0;gap:8px;justify-content:center;
}
.shot-carousel .carousel-indicators [data-bs-target]{
  width:26px;height:6px;border-radius:var(--r-pill);
  background:var(--c-line);border:0;opacity:1;margin:0;
  transition:width .2s ease,background .2s ease;
}
.shot-carousel .carousel-indicators .active{background:var(--c-primary);width:42px;}
.shot-carousel .carousel-control-prev,
.shot-carousel .carousel-control-next{
  width:44px;height:44px;border-radius:50%;
  background:var(--c-primary-lt);border:1px solid var(--c-line);
  color:var(--c-primary-dk);
  top:38%;transform:translateY(-50%);
  opacity:1;transition:background .18s ease,transform .18s ease;
}
.shot-carousel .carousel-control-prev{left:-10px;}
.shot-carousel .carousel-control-next{right:-10px;}
.shot-carousel .carousel-control-prev:hover,
.shot-carousel .carousel-control-next:hover{background:#DCEBCE;}
.shot-carousel .carousel-control-prev-icon,
.shot-carousel .carousel-control-next-icon{width:16px;height:16px;filter:invert(32%) sepia(28%) saturate(1050%) hue-rotate(78deg) brightness(88%) contrast(88%);}

/* ---------- 系统要求 ---------- */
.req-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:28px;box-shadow:var(--sh-1);height:100%;
}
.req-card h3{
  font-size:17px;font-weight:600;margin-bottom:18px;
  display:flex;align-items:center;gap:10px;
}
.req-card h3 .dotmark{width:8px;height:8px;border-radius:2px;background:var(--c-lime);}
.req-row{
  display:flex;align-items:flex-start;justify-content:space-between;gap:18px;
  padding:13px 0;font-size:14px;
  border-bottom:1px dashed var(--c-line);
}
.req-row:last-child{border-bottom:0;padding-bottom:0;}
.req-label{display:flex;align-items:center;gap:8px;color:var(--c-muted);flex:0 0 auto;}
.req-value{color:var(--c-ink);font-weight:600;text-align:right;}
.req-note{margin-top:20px;font-size:13px;color:var(--c-muted);}

/* ---------- 评价墙 ---------- */
.review-card{
  position:relative;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:24px 24px 24px 28px;
  box-shadow:var(--sh-1);height:100%;
  transition:transform .2s ease,box-shadow .2s ease;
}
.review-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.review-card::before{
  content:"";position:absolute;left:0;top:22px;bottom:22px;width:3px;
  border-radius:0 3px 3px 0;background:var(--c-lime);
}
.review-top{display:flex;align-items:center;gap:12px;margin-bottom:14px;}
.avatar{
  width:40px;height:40px;border-radius:50%;flex:0 0 40px;
  background:var(--c-primary-lt);color:var(--c-primary-dk);
  display:grid;place-items:center;font-weight:700;font-size:15px;
}
.review-name{font-size:15px;font-weight:600;}
.review-tag{font-size:12px;color:var(--c-muted);}
.review-text{font-size:15px;line-height:1.8;color:var(--c-ink);margin-bottom:16px;}
.review-stars{display:flex;gap:4px;}
.review-stars span{width:14px;height:14px;border-radius:3px;background:var(--c-accent);display:inline-block;}
.review-stars span.off{background:var(--c-line);}

/* ---------- 下载面板 ---------- */
.download-panel{
  background:var(--c-forest);
  border-radius:20px;
  padding:40px;
  color:#fff;
  display:grid;grid-template-columns:1fr auto;gap:36px;align-items:center;
  position:relative;overflow:hidden;
}
.download-panel::after{
  content:"";position:absolute;right:-40px;bottom:-40px;width:200px;height:200px;
  background-image:radial-gradient(circle,rgba(169,206,107,.9) 1.8px,transparent 1.9px);
  background-size:16px 16px;opacity:.12;border-radius:50%;pointer-events:none;
}
.download-panel h2{font-size:clamp(20px,2.4vw,26px);color:#fff;margin-bottom:12px;font-weight:700;}
.dl-meta{font-size:13px;color:rgba(255,255,255,.72);margin-bottom:12px;}
.dl-desc{font-size:14px;color:rgba(255,255,255,.8);line-height:1.8;max-width:520px;}
.dl-right{display:flex;align-items:center;gap:12px;flex-wrap:wrap;position:relative;z-index:1;}
.dl-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--r-btn);
  border:1px solid rgba(255,255,255,.4);
  color:#fff;font-size:14px;font-weight:600;
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease;
}
.dl-btn:hover{background:#fff;color:var(--c-forest);border-color:#fff;transform:translateY(-1px);}
.qr-box{
  width:96px;height:96px;border-radius:12px;
  border:1px dashed rgba(255,255,255,.45);
  display:grid;place-items:center;text-align:center;
  font-size:12px;line-height:1.6;color:rgba(255,255,255,.72);
  padding:8px;
}

/* ---------- 最新信息 ---------- */
.news-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:32px;}
.news-head .section-head{margin-bottom:0;}
.more-link{font-size:14px;font-weight:600;color:var(--c-primary-dk);display:inline-flex;align-items:center;gap:6px;}
.more-link:hover{color:var(--c-primary);gap:10px;}
.news-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);height:100%;
  display:flex;flex-direction:column;
  transition:transform .2s ease,box-shadow .2s ease;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.news-thumb{display:block;aspect-ratio:16/10;overflow:hidden;background:var(--c-primary-lt);}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.news-card:hover .news-thumb img{transform:scale(1.04);}
.news-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1;}
.badge-soft{
  display:inline-flex;align-items:center;
  padding:3px 11px;border-radius:var(--r-pill);
  background:var(--c-primary-lt);color:var(--c-primary-dk);
  font-size:12px;font-weight:600;align-self:flex-start;
}
.news-title{
  font-size:16px;font-weight:600;line-height:1.55;color:var(--c-ink);
  margin:12px 0 10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .18s ease;
}
.news-card:hover .news-title{color:var(--c-primary-dk);}
.news-excerpt{
  font-size:14px;color:var(--c-muted);line-height:1.8;margin-bottom:16px;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding-top:14px;border-top:1px dashed var(--c-line);
  font-size:13px;color:var(--c-muted);
}
.read-more{font-size:13px;font-weight:600;color:var(--c-primary-dk);display:inline-flex;align-items:center;gap:4px;}
.news-card:hover .read-more{gap:8px;color:var(--c-primary);}
.empty-state{
  grid-column:1 / -1;
  background:#fff;border:1px dashed var(--c-line);border-radius:var(--r-card);
  padding:48px 24px;text-align:center;
}
.empty-state .icon-round{margin:0 auto 16px;}
.empty-state p{font-size:15px;color:var(--c-muted);margin-bottom:8px;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px;}
.accordion-k .accordion-item{
  background:#fff;border:1px solid var(--c-line);
  border-radius:14px !important;overflow:hidden;margin-bottom:12px;
}
.accordion-k .accordion-button{
  font-size:16px;font-weight:600;color:var(--c-ink);
  background:#fff;box-shadow:none;padding:18px 22px;line-height:1.6;
  transition:background .18s ease,color .18s ease;
}
.accordion-k .accordion-button:not(.collapsed){
  background:var(--c-primary-lt);color:var(--c-primary-dk);
  box-shadow:inset 3px 0 0 var(--c-primary);
}
.accordion-k .accordion-button:focus{box-shadow:none;border-color:transparent;}
.accordion-k .accordion-button::after{
  background-image:none;content:"+";
  font-size:20px;font-weight:600;line-height:1;
  width:24px;height:24px;
  display:grid;place-items:center;
  color:var(--c-primary-dk);
  transform:none;transition:transform .2s ease,content .2s ease;
}
.accordion-k .accordion-button:not(.collapsed)::after{
  content:"−";transform:rotate(180deg);color:var(--c-primary);
}
.accordion-k .accordion-body{
  background:var(--c-bg);color:var(--c-muted);
  font-size:15px;line-height:1.85;padding:18px 22px;
}

/* ---------- 收尾 CTA ---------- */
.cta-band{
  background:var(--c-primary-lt);
  border-radius:20px;
  padding:36px 40px;
  display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
}
.cta-band h3{font-size:clamp(19px,2.2vw,24px);font-weight:700;color:var(--c-ink);margin-bottom:6px;}
.cta-band p{font-size:14px;color:var(--c-muted);}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--c-forest);
  color:#fff;
  padding:64px 0 0;
  margin-top:64px;
}
.brand-foot{color:#fff;margin-bottom:16px;}
.brand-foot:hover{color:#fff;}
.brand-foot .brand-mark{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.2);}
.brand-foot .brand-name{color:#fff;}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:40px;padding-bottom:44px;}
.foot-brand p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.72);max-width:320px;margin-bottom:18px;}
.foot-badges{display:flex;flex-wrap:wrap;gap:8px;}
.foot-badges .badge-soft{background:rgba(255,255,255,.12);color:#DDEBCE;}
.foot-col h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px;}
.foot-links li{margin-bottom:10px;}
.foot-links a,
.foot-links span{
  font-size:14px;color:rgba(255,255,255,.7);
  display:inline-block;padding-left:0;
  transition:color .18s ease,padding-left .18s ease;
  position:relative;
}
.foot-links a:hover{color:#fff;padding-left:10px;}
.foot-links a:hover::before{
  content:"";position:absolute;left:0;top:.55em;
  width:2px;height:13px;background:var(--c-lime);border-radius:2px;
}
.foot-qr{
  margin-top:16px;width:96px;height:96px;border-radius:12px;
  border:1px dashed rgba(255,255,255,.35);
  display:grid;place-items:center;text-align:center;
  font-size:12px;line-height:1.6;color:rgba(255,255,255,.65);padding:8px;
}
.foot-bottom{
  border-top:1px solid rgba(255,255,255,.14);
  padding:22px 0 28px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.foot-bottom p{font-size:13px;color:rgba(255,255,255,.6);line-height:1.8;}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .hero-grid{gap:36px;}
  .hero-visual{min-height:340px;}
}
@media (max-width:991.98px){
  .nav-cards{display:none;}
  .nav-cta{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-shell{min-height:60px;padding:8px 14px;}
  .nav-drawer.open{
    display:grid;grid-template-columns:1fr 1fr;gap:10px;
    background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
    padding:14px;margin-top:10px;box-shadow:var(--sh-2);
  }
  .section{padding:64px 0;}
  .section-tight{padding:48px 0;}
  .hero{padding:36px 0 56px;}
  .hero-grid{grid-template-columns:1fr;gap:44px;}
  .hero-visual{min-height:0;padding-bottom:56px;padding-right:16px;}
  .hero-back{position:relative;inset:auto;height:260px;margin-right:0;}
  .hero-shot{width:66%;right:0;bottom:0;}
  .hero-visual::after{display:none;}
  .value-grid{grid-template-columns:1fr;gap:16px;}
  .download-panel{grid-template-columns:1fr;padding:32px;gap:24px;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-band{padding:28px;flex-direction:column;align-items:flex-start;text-align:left;}
  .shot-carousel .carousel-control-prev,
  .shot-carousel .carousel-control-next{display:none;}
}
@media (max-width:575.98px){
  body{font-size:15px;}
  .section{padding:44px 0;}
  .section-tight{padding:36px 0;}
  .hero{padding:28px 0 44px;}
  .hero h1{font-size:26px;}
  .hero-sub{font-size:15px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn-k{width:100%;}
  .hero-pills{gap:8px;}
  .hero-back{height:210px;}
  .hero-shot{width:74%;}
  .value-card,.req-card,.review-card,.news-body{padding:20px;}
  .download-panel{padding:24px;}
  .dl-right{width:100%;flex-direction:column;align-items:stretch;}
  .dl-btn{width:100%;}
  .qr-box{width:100%;height:84px;}
  .foot-grid{grid-template-columns:1fr;gap:28px;}
  .foot-bottom{flex-direction:column;align-items:flex-start;}
  .cta-band{padding:24px;}
  .cta-band .btn-k{width:100%;}
}

/* roulang page: article */
:root{
  --c-ink:#16241A;
  --c-forest:#1F3D2B;
  --c-primary:#4E9A3D;
  --c-primary-dk:#3A7A2E;
  --c-primary-lt:#E8F2DE;
  --c-lime:#A9CE6B;
  --c-accent:#EE9B2E;
  --c-accent-dk:#D98A1F;
  --c-surface:#FFFFFF;
  --c-bg:#F7F8F1;
  --c-line:#E3E8D8;
  --c-muted:#6B7869;
  --sh-1:0 2px 8px rgba(22,36,26,.06);
  --sh-2:0 12px 28px rgba(22,36,26,.10);
  --r-card:16px;
  --r-btn:12px;
  --r-pill:999px;
  --r-input:10px;
  --bs-primary:#4E9A3D;
  --bs-body-color:#16241A;
  --bs-body-bg:#F7F8F1;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",Inter,system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--c-primary-dk);text-decoration:none;transition:color .18s ease,border-color .18s ease,background-color .18s ease;}
a:hover{color:var(--c-primary);}
p{margin:0 0 1em;}
h1,h2,h3,h4{margin:0;color:var(--c-ink);letter-spacing:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
::selection{background:var(--c-primary-lt);color:var(--c-primary-dk);}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:4px;}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}

/* ============ Header ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  padding:12px 0 0;
  background:linear-gradient(180deg,rgba(247,248,241,.98) 60%,rgba(247,248,241,0));
  backdrop-filter:saturate(120%) blur(6px);
}
.header-bar{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  padding:10px 18px;
  display:flex;
  align-items:center;
  gap:14px;
  min-height:60px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:var(--c-ink);
  font-weight:700;
  font-size:15.5px;
  white-space:nowrap;
  flex-shrink:0;
}
.brand:hover{color:var(--c-primary-dk);}
.brand-mark{
  width:36px;
  height:36px;
  border-radius:50%;
  background:var(--c-primary-lt);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  flex-shrink:0;
}
.brand-name{line-height:1.2;}
.nav-cards{
  display:flex;
  align-items:center;
  gap:8px;
  margin-left:auto;
  flex-wrap:nowrap;
}
.nav-card{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:8px 13px;
  border-radius:var(--r-pill);
  background:var(--c-primary-lt);
  color:var(--c-primary-dk);
  font-size:13.5px;
  font-weight:600;
  line-height:1.3;
  white-space:nowrap;
  transition:background-color .18s ease,transform .18s ease,color .18s ease,box-shadow .18s ease;
}
.nav-card svg{flex-shrink:0;opacity:.9;}
.nav-card:hover{background:#DCEBCE;color:var(--c-primary-dk);transform:translateY(-2px);box-shadow:var(--sh-1);}
.nav-card.active{background:var(--c-primary);color:#fff;}
.nav-card.active:hover{background:var(--c-primary-dk);color:#fff;}
.btn-cta{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:6px;
  height:40px;
  padding:0 18px;
  border-radius:var(--r-btn);
  background:var(--c-accent);
  color:#fff;
  font-size:14px;
  font-weight:600;
  white-space:nowrap;
  flex-shrink:0;
  transition:background-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn-cta:hover{background:var(--c-accent-dk);color:#fff;transform:translateY(-1px);box-shadow:0 8px 18px rgba(238,155,46,.28);}
.btn-cta:active{transform:translateY(0);}
.nav-toggle{
  display:none;
  width:42px;
  height:42px;
  border:1px solid var(--c-line);
  background:var(--c-surface);
  border-radius:var(--r-btn);
  align-items:center;
  justify-content:center;
  color:var(--c-ink);
  cursor:pointer;
  margin-left:auto;
  transition:border-color .18s ease,background-color .18s ease;
}
.nav-toggle:hover{border-color:var(--c-primary);background:var(--c-primary-lt);}
.nav-drawer{
  display:none;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:10px;
  margin-top:10px;
  background:var(--c-bg);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-2);
  padding:14px;
}
.nav-drawer.open{display:grid;}
.nav-drawer .nav-card{
  justify-content:flex-start;
  border-radius:var(--r-btn);
  padding:12px 14px;
  font-size:14px;
}
.nav-drawer .btn-cta{grid-column:1 / -1;height:46px;border-radius:var(--r-btn);margin-top:4px;}

/* ============ Article hero ============ */
.article-hero{
  position:relative;
  padding:30px 0 26px;
  overflow:hidden;
}
.article-hero::after{
  content:"";
  position:absolute;
  right:-70px;
  top:-80px;
  width:320px;
  height:320px;
  border-radius:50%;
  background-image:radial-gradient(var(--c-lime) 1.5px,transparent 1.6px);
  background-size:15px 15px;
  opacity:.22;
  pointer-events:none;
}
.breadcrumb-line{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:6px;
  font-size:12.5px;
  color:var(--c-muted);
  margin-bottom:16px;
  position:relative;
  z-index:1;
}
.breadcrumb-line a{color:var(--c-muted);}
.breadcrumb-line a:hover{color:var(--c-primary-dk);}
.breadcrumb-line .sep{color:#B9C2AC;}
.breadcrumb-line .current{
  color:var(--c-ink);
  max-width:100%;
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
}
.article-title{
  position:relative;
  z-index:1;
  font-size:clamp(26px,3.4vw,36px);
  line-height:1.3;
  font-weight:700;
  max-width:860px;
  word-break:break-word;
}
.article-meta{
  position:relative;
  z-index:1;
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:10px;
  margin-top:18px;
  font-size:13px;
  color:var(--c-muted);
}
.article-meta .dot{width:3px;height:3px;border-radius:50%;background:#C3CBB6;flex-shrink:0;}
.meta-badge{
  display:inline-flex;
  align-items:center;
  padding:3px 10px;
  border-radius:var(--r-pill);
  background:var(--c-primary-lt);
  color:var(--c-primary-dk);
  font-size:12px;
  font-weight:600;
}

/* ============ Article layout ============ */
.article-section{padding:6px 0 72px;}
.article-wrap{max-width:760px;margin:0 auto;}
.cover-frame{
  border-radius:var(--r-card);
  overflow:hidden;
  border:1px solid var(--c-line);
  box-shadow:var(--sh-1);
  background:var(--c-primary-lt);
  margin-bottom:34px;
}
.cover-frame img{
  width:100%;
  height:auto;
  max-height:420px;
  object-fit:cover;
}
.article-body{
  font-size:16.5px;
  line-height:1.9;
  color:var(--c-ink);
  word-break:break-word;
  overflow-wrap:break-word;
}
.article-body p{margin:0 0 1.05em;}
.article-body h2{
  position:relative;
  font-size:clamp(19px,2.3vw,22px);
  font-weight:700;
  line-height:1.45;
  margin:36px 0 14px;
  padding-left:14px;
}
.article-body h2::before{
  content:"";
  position:absolute;
  left:0;
  top:.32em;
  width:4px;
  height:18px;
  border-radius:2px;
  background:var(--c-primary);
}
.article-body h3{
  font-size:19px;
  font-weight:600;
  line-height:1.5;
  margin:26px 0 10px;
}
.article-body h4{font-size:16.5px;font-weight:600;margin:20px 0 8px;}
.article-body a{color:var(--c-primary-dk);border-bottom:1px solid var(--c-lime);}
.article-body a:hover{color:var(--c-primary);border-bottom-color:var(--c-primary);}
.article-body strong{font-weight:700;}
.article-body blockquote{
  margin:22px 0;
  padding:14px 18px;
  background:var(--c-primary-lt);
  border-left:3px solid var(--c-primary);
  border-radius:0 12px 12px 0;
  font-size:15px;
  line-height:1.85;
  color:#2C3E2E;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body ul,
.article-body ol{margin:0 0 1.1em;padding:0;}
.article-body ul li{
  position:relative;
  padding-left:22px;
  margin-bottom:8px;
}
.article-body ul li::before{
  content:"";
  position:absolute;
  left:3px;
  top:.72em;
  width:8px;
  height:8px;
  background:var(--c-lime);
  border-radius:60% 0 60% 60%;
  transform:rotate(42deg);
}
.article-body ol{counter-reset:listnum;padding-left:0;}
.article-body ol li{
  position:relative;
  padding-left:28px;
  margin-bottom:8px;
  counter-increment:listnum;
}
.article-body ol li::before{
  content:counter(listnum);
  position:absolute;
  left:0;
  top:.28em;
  width:20px;
  height:20px;
  border-radius:50%;
  background:var(--c-primary-lt);
  color:var(--c-primary-dk);
  font-size:12px;
  font-weight:700;
  display:flex;
  align-items:center;
  justify-content:center;
}
.article-body img{
  border-radius:12px;
  margin:20px auto;
  max-width:100%;
  height:auto;
}
.article-body figure{margin:22px 0;}
.article-body figcaption{
  font-size:13px;
  color:var(--c-muted);
  text-align:center;
  margin-top:8px;
}
.article-body table{
  width:100%;
  border-collapse:collapse;
  font-size:15px;
  margin:22px 0;
  border-radius:12px;
  overflow:hidden;
  border:1px solid var(--c-line);
}
.article-body th{
  background:var(--c-primary-lt);
  color:var(--c-ink);
  font-weight:600;
  text-align:left;
  padding:10px 13px;
  border:1px solid var(--c-line);
}
.article-body td{
  padding:10px 13px;
  border:1px solid var(--c-line);
  vertical-align:top;
}
.article-body tbody tr:nth-child(even) td{background:#FBFAF3;}
.article-body code{
  background:var(--c-primary-lt);
  color:var(--c-primary-dk);
  padding:1px 6px;
  border-radius:6px;
  font-size:.92em;
}
.article-body pre{
  background:#F1F4E8;
  border:1px solid var(--c-line);
  border-radius:12px;
  padding:14px 16px;
  overflow-x:auto;
  font-size:14px;
  line-height:1.7;
}
.article-body pre code{background:none;padding:0;color:var(--c-ink);}
.article-body hr{
  border:0;
  border-top:1px dashed var(--c-line);
  margin:30px 0;
}
.empty-box{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  padding:48px 28px;
  text-align:center;
}
.empty-icon{
  width:64px;
  height:64px;
  border-radius:50%;
  background:var(--c-primary-lt);
  color:var(--c-primary-dk);
  display:flex;
  align-items:center;
  justify-content:center;
  margin:0 auto 16px;
}
.empty-box h2{font-size:19px;font-weight:700;margin-bottom:8px;}
.empty-box p{font-size:14.5px;color:var(--c-muted);margin-bottom:20px;}

/* ============ Buttons ============ */
.btn-solid,
.btn-ghost{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 24px;
  border-radius:var(--r-btn);
  font-size:14.5px;
  font-weight:600;
  line-height:1;
  border:1px solid transparent;
  cursor:pointer;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn-solid{background:var(--c-accent);color:#fff;}
.btn-solid:hover{background:var(--c-accent-dk);color:#fff;transform:translateY(-1px);box-shadow:0 10px 20px rgba(238,155,46,.26);}
.btn-ghost{background:var(--c-surface);color:var(--c-ink);border-color:var(--c-line);}
.btn-ghost:hover{color:var(--c-primary-dk);border-color:var(--c-primary);background:var(--c-primary-lt);transform:translateY(-1px);}
.btn-line-light{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  height:44px;
  padding:0 22px;
  border-radius:var(--r-btn);
  border:1px solid rgba(255,255,255,.4);
  color:#fff;
  font-size:14px;
  font-weight:600;
  transition:background-color .18s ease,color .18s ease,transform .18s ease;
}
.btn-line-light:hover{background:#fff;color:var(--c-forest);transform:translateY(-1px);}

/* ============ Download strip ============ */
.download-strip{
  background:var(--c-forest);
  border-radius:20px;
  padding:34px 36px;
  color:#fff;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:28px;
  flex-wrap:wrap;
  margin:56px 0 0;
  position:relative;
  overflow:hidden;
}
.download-strip::after{
  content:"";
  position:absolute;
  right:-60px;
  bottom:-90px;
  width:260px;
  height:260px;
  border-radius:50%;
  background-image:radial-gradient(rgba(169,206,107,.55) 1.5px,transparent 1.6px);
  background-size:15px 15px;
  opacity:.4;
  pointer-events:none;
}
.download-strip .ds-text{position:relative;z-index:1;max-width:520px;}
.download-strip h2{
  color:#fff;
  font-size:clamp(19px,2.3vw,23px);
  font-weight:700;
  line-height:1.4;
  margin-bottom:8px;
}
.download-strip p{
  color:rgba(255,255,255,.76);
  font-size:14px;
  line-height:1.8;
  margin:0;
}
.ds-actions{display:flex;gap:10px;flex-wrap:wrap;position:relative;z-index:1;}

/* ============ Related ============ */
.related-block{margin-top:64px;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  margin-bottom:24px;
}
.section-head h2{
  font-size:clamp(20px,2.4vw,24px);
  font-weight:700;
  line-height:1.4;
}
.section-head .sub{
  font-size:13.5px;
  color:var(--c-muted);
  margin:6px 0 0;
}
.related-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:22px;
}
.rel-card{
  display:flex;
  flex-direction:column;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  overflow:hidden;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  height:100%;
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#D3DEC4;}
.rel-thumb{
  aspect-ratio:16 / 10;
  overflow:hidden;
  background:var(--c-primary-lt);
}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.rel-card:hover .rel-thumb img{transform:scale(1.04);}
.rel-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:8px;flex:1;}
.rel-tag{
  align-self:flex-start;
  padding:2px 10px;
  border-radius:var(--r-pill);
  background:var(--c-primary-lt);
  color:var(--c-primary-dk);
  font-size:11.5px;
  font-weight:600;
}
.rel-body h3{
  font-size:16px;
  font-weight:600;
  line-height:1.5;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.rel-body h3 a{color:var(--c-ink);}
.rel-body h3 a:hover{color:var(--c-primary);}
.rel-body p{
  font-size:13.5px;
  color:var(--c-muted);
  line-height:1.75;
  margin:0;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.rel-more{
  margin-top:auto;
  font-size:13px;
  font-weight:600;
  color:var(--c-primary-dk);
  display:inline-flex;
  align-items:center;
  gap:4px;
}
.rel-card:hover .rel-more{gap:8px;}
.back-line{margin-top:44px;text-align:center;}
.back-link{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:14px;
  font-weight:600;
  color:var(--c-primary-dk);
  padding:10px 18px;
  border-radius:var(--r-pill);
  border:1px solid var(--c-line);
  background:var(--c-surface);
  transition:background-color .18s ease,border-color .18s ease,transform .18s ease;
}
.back-link:hover{background:var(--c-primary-lt);border-color:var(--c-primary);transform:translateY(-1px);color:var(--c-primary-dk);}

/* ============ Footer ============ */
.site-footer{
  background:var(--c-forest);
  color:rgba(255,255,255,.7);
  padding:64px 0 28px;
  margin-top:64px;
}
.foot-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.15fr;
  gap:40px;
}
.brand-foot{color:#fff;margin-bottom:14px;}
.brand-foot:hover{color:#fff;}
.brand-foot .brand-name{font-size:16px;}
.foot-brand p{
  font-size:13.5px;
  line-height:1.85;
  color:rgba(255,255,255,.62);
  margin:0 0 16px;
  max-width:320px;
}
.foot-badges{display:flex;flex-wrap:wrap;gap:8px;}
.badge-soft{
  display:inline-flex;
  align-items:center;
  padding:3px 11px;
  border-radius:var(--r-pill);
  background:rgba(169,206,107,.16);
  color:#CFE3B4;
  font-size:12px;
  font-weight:600;
}
.foot-col h4{
  color:#fff;
  font-size:14.5px;
  font-weight:600;
  margin-bottom:16px;
}
.foot-links li{margin-bottom:10px;font-size:13.5px;line-height:1.7;}
.foot-links a{
  color:rgba(255,255,255,.7);
  position:relative;
  padding-left:0;
  transition:color .18s ease,padding-left .18s ease;
}
.foot-links a::before{
  content:"";
  position:absolute;
  left:0;
  top:50%;
  transform:translateY(-50%);
  width:0;
  height:12px;
  background:var(--c-lime);
  border-radius:1px;
  transition:width .18s ease;
}
.foot-links a:hover{color:#fff;padding-left:10px;}
.foot-links a:hover::before{width:2px;}
.foot-links span{color:rgba(255,255,255,.62);}
.foot-qr{
  margin-top:16px;
  width:104px;
  height:104px;
  border:1px dashed rgba(255,255,255,.3);
  border-radius:12px;
  display:flex;
  align-items:center;
  justify-content:center;
  text-align:center;
  font-size:12px;
  line-height:1.6;
  color:rgba(255,255,255,.5);
}
.foot-bottom{
  margin-top:44px;
  padding-top:22px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;
  justify-content:space-between;
  gap:18px;
  flex-wrap:wrap;
  font-size:12.5px;
  color:rgba(255,255,255,.5);
  line-height:1.8;
}
.foot-bottom p{margin:0;}

/* ============ Responsive ============ */
@media (max-width:1080px){
  .nav-cards{display:none;}
  .btn-cta{display:none;}
  .nav-toggle{display:inline-flex;}
}
@media (max-width:991px){
  .container{padding:0 20px;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .article-section{padding-bottom:56px;}
}
@media (max-width:767px){
  .article-hero{padding:22px 0 20px;}
  .article-body{font-size:16px;}
  .download-strip{padding:26px 22px;border-radius:16px;}
  .ds-actions{width:100%;}
  .ds-actions .btn-ghost,
  .ds-actions .btn-line-light{flex:1 1 auto;}
  .site-footer{padding:48px 0 24px;margin-top:48px;}
}
@media (max-width:575px){
  .container{padding:0 16px;}
  .header-bar{padding:8px 12px;gap:10px;}
  .brand{font-size:14.5px;}
  .brand-mark{width:32px;height:32px;}
  .nav-drawer{grid-template-columns:1fr;}
  .related-grid{grid-template-columns:1fr;}
  .foot-grid{grid-template-columns:1fr;gap:28px;}
  .cover-frame{border-radius:12px;margin-bottom:26px;}
  .cover-frame img{max-height:260px;}
  .article-meta{font-size:12.5px;}
  .foot-bottom{flex-direction:column;gap:10px;}
  .back-line{text-align:left;}
}

/* roulang page: category1 */
:root{
  --c-ink:#16241A;
  --c-forest:#1F3D2B;
  --c-primary:#4E9A3D;
  --c-primary-dk:#3A7A2E;
  --c-primary-lt:#E8F2DE;
  --c-lime:#A9CE6B;
  --c-accent:#EE9B2E;
  --c-surface:#FFFFFF;
  --c-bg:#F7F8F1;
  --c-line:#E3E8D8;
  --c-muted:#6B7869;
  --sh-1:0 2px 8px rgba(22,36,26,.06);
  --sh-2:0 12px 28px rgba(22,36,26,.10);
  --r-card:16px;
  --r-btn:12px;
  --r-pill:999px;
  --r-input:10px;
  --bs-primary:#4E9A3D;
  --bs-primary-rgb:78,154,61;
  --bs-body-color:#16241A;
  --bs-body-bg:#F7F8F1;
  --bs-link-color:#3A7A2E;
  --bs-link-hover-color:#2E6325;
  --bs-border-color:#E3E8D8;
  --bs-border-radius:12px;
  --bs-font-sans-serif:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Inter",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Inter",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--c-primary-dk);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--c-primary);}
p{margin:0 0 1em;}
ul{margin:0 0 1em;padding-left:1.2em;}
h1,h2,h3,h4{color:var(--c-ink);margin:0;line-height:1.35;font-weight:700;}
h2{font-size:clamp(22px,2.6vw,30px);line-height:1.35;}
h3{font-size:19px;line-height:1.5;font-weight:600;}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,.nav-card:focus-visible{
  outline:2px solid var(--c-primary);
  outline-offset:2px;
  border-radius:6px;
}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}

/* ============ Header ============ */
.site-header{position:sticky;top:0;z-index:1030;padding:12px 0;background:var(--c-bg);}
.header-bar{
  display:flex;align-items:center;gap:16px;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:16px;
  box-shadow:var(--sh-1);
  padding:0 20px;
  height:72px;
}
.brand{display:flex;align-items:center;gap:10px;color:var(--c-ink);text-decoration:none;flex-shrink:0;}
.brand:hover{color:var(--c-primary-dk);}
.brand-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:36px;height:36px;border-radius:var(--r-pill);
  background:var(--c-primary-lt);flex-shrink:0;
}
.brand-name{font-weight:700;font-size:16px;white-space:nowrap;letter-spacing:0;}
.nav-cards{display:flex;align-items:center;gap:8px;margin-left:auto;}
.nav-card{
  display:inline-flex;align-items:center;gap:6px;
  padding:8px 14px;border-radius:var(--r-pill);
  background:#F3F7EC;color:var(--c-ink);
  font-size:14px;font-weight:500;white-space:nowrap;
  transition:background .18s ease,color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.nav-card:hover{background:var(--c-primary-lt);color:var(--c-primary-dk);transform:translateY(-2px);}
.nav-card.active{background:var(--c-primary);color:#fff;box-shadow:0 6px 16px rgba(78,154,61,.26);}
.nav-card svg{flex-shrink:0;}
.header-cta{
  display:inline-flex;align-items:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--r-btn);
  background:var(--c-accent);color:#fff;font-size:14px;font-weight:600;
  box-shadow:0 6px 16px rgba(238,155,46,.26);
  transition:background .18s ease,transform .18s ease;
  flex-shrink:0;
}
.header-cta:hover{background:#d98a1f;color:#fff;transform:translateY(-1px);}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:12px;
  background:var(--c-primary-lt);border:1px solid var(--c-line);
  flex-direction:column;gap:4px;cursor:pointer;margin-left:auto;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--c-primary-dk);}
.mobile-drawer{display:none;margin-top:10px;padding:16px;border-radius:16px;background:var(--c-bg);border:1px solid var(--c-line);box-shadow:var(--sh-2);}
.mobile-drawer.open{display:block;}
.drawer-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;}
.drawer-grid a{
  display:block;text-align:center;padding:12px 8px;border-radius:12px;
  background:var(--c-surface);border:1px solid var(--c-line);
  color:var(--c-ink);font-size:14px;font-weight:500;
}
.drawer-grid a:hover{border-color:var(--c-primary);color:var(--c-primary-dk);}
.drawer-grid a.active{background:var(--c-primary);border-color:var(--c-primary);color:#fff;}
.drawer-cta{display:block;text-align:center;margin-top:12px;padding:13px;border-radius:12px;background:var(--c-accent);color:#fff;font-weight:600;font-size:15px;}
.drawer-cta:hover{color:#fff;background:#d98a1f;}

/* ============ Breadcrumbs & page hero ============ */
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--c-muted);margin-bottom:18px;}
.crumbs a{color:var(--c-muted);}
.crumbs a:hover{color:var(--c-primary-dk);}
.crumbs .sep{color:#C4CDB8;}
.page-hero{
  position:relative;overflow:hidden;
  padding:44px 0 56px;
  background:var(--c-bg);
  border-bottom:1px solid var(--c-line);
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center right;
  opacity:.20;
}
.page-hero::after{
  content:"";position:absolute;top:-60px;right:-60px;width:340px;height:340px;
  background-image:radial-gradient(var(--c-lime) 1.6px,transparent 1.7px);
  background-size:19px 19px;
  opacity:.30;pointer-events:none;
}
.page-hero .container{position:relative;z-index:2;}
.page-hero h1{
  font-size:clamp(26px,3.8vw,40px);
  line-height:1.28;font-weight:700;
  max-width:780px;margin:0 0 16px;
}
.page-hero .hero-note{
  font-size:14px;color:var(--c-muted);
  max-width:640px;margin:0 0 22px;line-height:1.8;
}
.hero-pills{display:flex;flex-wrap:wrap;gap:10px;}
.pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 14px;border-radius:var(--r-pill);
  background:var(--c-primary-lt);color:var(--c-primary-dk);
  font-size:12px;font-weight:500;
}

/* ============ Blocks ============ */
.block{padding:80px 0;}
.block-tight{padding:56px 0;}
.sec-head{margin-bottom:28px;max-width:760px;}
.sec-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--c-primary-dk);margin-bottom:10px;
}
.sec-eyebrow::before{content:"";width:18px;height:3px;border-radius:2px;background:var(--c-primary);}
.sec-head p{font-size:15px;color:var(--c-muted);margin:10px 0 0;}

/* ============ Steps ============ */
.steps{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.step{
  position:relative;
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);padding:26px 22px;
  box-shadow:var(--sh-1);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#D3DEC4;}
.step::after{
  content:"";position:absolute;top:44px;right:-22px;width:22px;
  border-top:2px dashed var(--c-lime);
}
.step:last-child::after{display:none;}
.step-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:var(--r-pill);
  background:var(--c-primary);color:#fff;
  font-size:15px;font-weight:700;margin-bottom:14px;
}
.step h3{font-size:17px;margin-bottom:8px;}
.step p{font-size:14px;color:var(--c-muted);margin:0;line-height:1.8;}

/* ============ Media rows ============ */
.media-row{display:grid;grid-template-columns:1.03fr 1fr;gap:48px;align-items:center;}
.media-row + .media-row{margin-top:64px;}
.media-text h2{margin-bottom:16px;}
.media-text p.lead-line{font-size:15px;color:var(--c-muted);margin-bottom:18px;}
.media-fig{
  margin:0;border-radius:var(--r-card);overflow:hidden;
  border:1px solid var(--c-line);background:var(--c-primary-lt);
  box-shadow:var(--sh-1);
}
.media-fig img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.leaf-list{list-style:none;padding:0;margin:0 0 8px;}
.leaf-list li{position:relative;padding-left:26px;margin-bottom:12px;font-size:15px;color:var(--c-ink);}
.leaf-list li::before{
  content:"";position:absolute;left:2px;top:9px;width:10px;height:10px;
  border-radius:50% 0 50% 50%;background:var(--c-lime);transform:rotate(45deg);
}

/* ============ Version card ============ */
.version-card{
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);padding:32px;box-shadow:var(--sh-1);
}
.version-head{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-bottom:6px;}
.version-head h3{font-size:22px;}
.badge-accent{
  display:inline-block;padding:4px 12px;border-radius:var(--r-pill);
  background:var(--c-accent);color:#fff;font-size:12px;font-weight:600;
}
.version-date{font-size:13px;color:var(--c-muted);}
.version-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:0 32px;margin-top:18px;}
.version-item{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:14px 0;border-bottom:1px dashed var(--c-line);
}
.vi-label{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--c-muted);}
.vi-label svg{color:var(--c-primary);flex-shrink:0;}
.vi-value{font-size:14px;font-weight:600;color:var(--c-ink);text-align:right;}
.changelog{margin-top:26px;}
.changelog h4{font-size:16px;margin-bottom:6px;}
.log-list{list-style:none;padding:0;margin:0;}
.log-list li{display:flex;gap:16px;padding:14px 0;border-top:1px dashed var(--c-line);}
.log-list li:first-child{border-top:none;}
.log-ver{flex:0 0 76px;font-size:14px;font-weight:700;color:var(--c-primary-dk);}
.log-list p{margin:0;font-size:14px;color:var(--c-muted);line-height:1.8;}

/* ============ FAQ ============ */
.accordion{--bs-accordion-border-color:transparent;--bs-accordion-border-radius:16px;}
.accordion-item{
  border:1px solid var(--c-line) !important;
  border-radius:var(--r-card) !important;
  margin-bottom:12px;overflow:hidden;background:var(--c-surface);
  box-shadow:var(--sh-1);
}
.accordion-item:last-child{margin-bottom:0;}
.accordion-button{
  font-size:16px;font-weight:600;color:var(--c-ink);
  background:var(--c-surface);padding:18px 22px;
  box-shadow:none !important;border:none;
}
.accordion-button:not(.collapsed){
  color:var(--c-primary-dk);
  background:var(--c-primary-lt);
  border-left:3px solid var(--c-primary);
}
.accordion-button:focus{border-color:transparent;}
.accordion-button::after{
  flex-shrink:0;width:20px;height:20px;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%234E9A3D' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='M12 5v14M5 12h14'/%3E%3C/svg%3E");
  background-size:20px 20px;transition:transform .2s ease;
}
.accordion-button:not(.collapsed)::after{transform:rotate(45deg);}
.accordion-body{padding:4px 22px 22px;font-size:15px;line-height:1.85;color:var(--c-muted);background:var(--c-surface);}

/* ============ Buttons ============ */
.btn-main,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;cursor:pointer;
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn-main{background:var(--c-accent);color:#fff;border:1px solid var(--c-accent);box-shadow:0 8px 18px rgba(238,155,46,.24);}
.btn-main:hover{background:#d98a1f;border-color:#d98a1f;color:#fff;transform:translateY(-1px);}
.btn-ghost{background:var(--c-surface);color:var(--c-ink);border:1px solid var(--c-line);}
.btn-ghost:hover{background:var(--c-primary-lt);border-color:var(--c-primary);color:var(--c-primary-dk);transform:translateY(-1px);}

/* ============ CTA band ============ */
.cta-band{padding:0 0 72px;}
.cta-inner{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px;
  background:var(--c-primary-lt);border:1px solid #D8E7C6;
  border-radius:20px;padding:38px 40px;
}
.cta-inner h2{font-size:clamp(20px,2.3vw,26px);margin-bottom:8px;}
.cta-inner p{font-size:14px;color:#4C5C4A;margin:0;max-width:520px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* ============ Footer ============ */
.site-footer{background:var(--c-forest);color:rgba(255,255,255,.7);padding:64px 0 28px;margin-top:64px;}
.foot-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.2fr;gap:40px;}
.brand-foot{color:#fff;}
.brand-foot:hover{color:#fff;}
.brand-foot .brand-name{color:#fff;}
.brand-foot .brand-mark{background:rgba(169,206,107,.16);}
.foot-brand p{font-size:14px;line-height:1.85;margin:16px 0 18px;color:rgba(255,255,255,.7);}
.foot-badges{display:flex;flex-wrap:wrap;gap:8px;}
.badge-soft{
  display:inline-block;padding:4px 12px;border-radius:var(--r-pill);
  background:rgba(169,206,107,.16);color:#CDE3A6;font-size:12px;
}
.foot-col h4{color:#fff;font-size:15px;font-weight:600;margin:0 0 16px;}
.foot-links{list-style:none;padding:0;margin:0;}
.foot-links li{margin-bottom:11px;font-size:14px;color:rgba(255,255,255,.7);}
.foot-links a{position:relative;display:inline-block;color:rgba(255,255,255,.7);transition:color .18s ease,padding .18s ease;}
.foot-links a:hover{color:#fff;padding-left:10px;}
.foot-links a:hover::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:2px;height:14px;background:var(--c-lime);border-radius:2px;
}
.foot-qr{
  margin-top:16px;width:110px;height:110px;
  border:1px dashed rgba(169,206,107,.55);border-radius:12px;
  display:flex;align-items:center;justify-content:center;text-align:center;
  font-size:12px;color:rgba(255,255,255,.55);line-height:1.6;
}
.foot-bottom{
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  margin-top:44px;padding-top:22px;
  border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;color:rgba(255,255,255,.55);
}
.foot-bottom p{margin:0;}

/* ============ Responsive ============ */
@media (min-width:992px){
  .nav-toggle{display:none;}
}
@media (max-width:991px){
  .nav-cards,.header-cta{display:none;}
  .nav-toggle{display:flex;}
  .header-bar{height:60px;padding:0 16px;}
  .brand-name{font-size:15px;}
  .block{padding:64px 0;}
  .cta-inner{padding:30px 26px;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .steps{grid-template-columns:repeat(2,1fr);gap:18px;}
  .step::after{display:none;}
  .version-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:767px){
  .media-row{grid-template-columns:1fr;gap:26px;}
  .media-row .media-fig{order:2;}
  .media-row .media-text{order:1;}
  .media-row + .media-row{margin-top:48px;}
  .version-card{padding:24px 20px;}
  .page-hero{padding:34px 0 42px;}
}
@media (max-width:575px){
  .container{padding:0 16px;}
  .block{padding:44px 0;}
  .block-tight{padding:36px 0;}
  .steps{grid-template-columns:1fr;}
  .version-grid{grid-template-columns:1fr;}
  .cta-inner{padding:26px 20px;border-radius:16px;}
  .cta-actions{width:100%;}
  .cta-actions .btn-main,.cta-actions .btn-ghost{width:100%;}
  .foot-grid{grid-template-columns:1fr;gap:28px;}
  .foot-bottom{flex-direction:column;}
  .log-list li{flex-direction:column;gap:4px;}
  .log-ver{flex:none;}
  .step{padding:20px;}
}

/* roulang page: category2 */
:root{
  --c-ink:#16241A;
  --c-forest:#1F3D2B;
  --c-primary:#4E9A3D;
  --c-primary-dk:#3A7A2E;
  --c-primary-lt:#E8F2DE;
  --c-lime:#A9CE6B;
  --c-accent:#EE9B2E;
  --c-surface:#FFFFFF;
  --c-bg:#F7F8F1;
  --c-line:#E3E8D8;
  --c-muted:#6B7869;
  --sh-1:0 2px 8px rgba(22,36,26,.06);
  --sh-2:0 12px 28px rgba(22,36,26,.10);
  --r-card:16px;
  --r-btn:12px;
  --r-pill:999px;
  --bs-primary:#4E9A3D;
  --bs-primary-rgb:78,154,61;
  --bs-body-color:#16241A;
  --bs-body-bg:#F7F8F1;
  --bs-link-color:#3A7A2E;
  --bs-link-hover-color:#4E9A3D;
  --bs-border-color:#E3E8D8;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Inter",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--c-primary-dk);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--c-primary)}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.35;letter-spacing:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px!important;margin-inline:auto;padding-left:20px;padding-right:20px}
.skip{position:absolute;left:-9999px;top:0}

/* ---------- 顶部导航 ---------- */
.site-header{position:sticky;top:0;z-index:120;padding:12px 0 0;background:linear-gradient(180deg,var(--c-bg) 62%,rgba(247,248,241,0))}
.header-inner{
  position:relative;
  display:flex;
  align-items:center;
  gap:16px;
  min-height:72px;
  padding:10px 20px;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--c-ink);flex:none}
.brand:hover{color:var(--c-ink)}
.brand-mark{
  width:40px;height:40px;flex:none;border-radius:50%;
  background:var(--c-primary-lt);
  display:grid;place-items:center;
  border:1px solid #d8e7c8;
}
.brand-name{font-size:17px;font-weight:700;line-height:1.2;white-space:nowrap}
.nav-cards{display:flex;align-items:center;gap:8px;margin-left:auto}
.nav-card{
  display:inline-flex;align-items:center;gap:7px;
  padding:9px 14px;
  border-radius:var(--r-pill);
  background:var(--c-primary-lt);
  color:var(--c-primary-dk);
  font-size:14px;font-weight:600;line-height:1.3;
  white-space:nowrap;
  transition:background .18s ease,transform .18s ease,color .18s ease,box-shadow .18s ease;
}
.nav-card svg{flex:none;opacity:.9}
.nav-card:hover{background:#DCEBCB;color:var(--c-primary-dk);transform:translateY(-2px)}
.nav-card.active{background:var(--c-primary);color:#fff;box-shadow:0 6px 14px rgba(78,154,61,.25)}
.nav-card.active:hover{background:var(--c-primary-dk);color:#fff}
.nav-toggle{
  display:none;
  width:44px;height:44px;flex:none;margin-left:auto;
  align-items:center;justify-content:center;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-btn);
  color:var(--c-ink);
  cursor:pointer;
  transition:180ms ease;
}
.nav-toggle:hover{border-color:var(--c-primary);color:var(--c-primary-dk);background:var(--c-primary-lt)}

/* ---------- 按钮 ---------- */
.btn-k{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 24px;
  border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;
  border:1px solid transparent;
  cursor:pointer;
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn-k svg{flex:none}
.btn-k-primary{background:var(--c-accent);color:#fff;box-shadow:0 6px 16px rgba(238,155,46,.28)}
.btn-k-primary:hover{background:#D9871C;color:#fff;transform:translateY(-1px)}
.btn-k-primary:active{transform:translateY(0)}
.btn-k-green{background:var(--c-primary);color:#fff}
.btn-k-green:hover{background:var(--c-primary-dk);color:#fff;transform:translateY(-1px)}
.btn-k-ghost{background:var(--c-surface);color:var(--c-ink);border-color:var(--c-line)}
.btn-k-ghost:hover{background:var(--c-primary-lt);color:var(--c-primary-dk);border-color:var(--c-primary);transform:translateY(-1px)}
.btn-row{display:flex;flex-wrap:wrap;gap:12px}

/* ---------- Hero ---------- */
.page-hero{position:relative;overflow:hidden;background:var(--c-bg);border-bottom:1px solid var(--c-line)}
.hero-media{
  position:absolute;top:0;right:0;width:54%;height:100%;
  background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  opacity:.3;
  -webkit-mask-image:linear-gradient(to left,#000 0%,rgba(0,0,0,.45) 62%,transparent 100%);
  mask-image:linear-gradient(to left,#000 0%,rgba(0,0,0,.45) 62%,transparent 100%);
  pointer-events:none;
}
.hero-dots{
  position:absolute;left:-30px;bottom:-26px;width:250px;height:200px;
  background-image:radial-gradient(rgba(78,154,61,.20) 1.5px,transparent 1.6px);
  background-size:16px 16px;
  opacity:.75;pointer-events:none;
}
.hero-content{position:relative;z-index:2;padding:52px 0 54px;max-width:760px}
.crumb{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:12px;color:var(--c-muted);margin-bottom:16px}
.crumb a{color:var(--c-muted)}
.crumb a:hover{color:var(--c-primary-dk)}
.crumb .sep{color:#B9C4AE}
.page-hero h1{font-size:clamp(28px,4.2vw,40px);line-height:1.25;margin-bottom:12px}
.hero-note{font-size:14px;color:var(--c-muted);line-height:1.75;max-width:560px;margin-bottom:22px}
.hero-chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}
.chip{display:inline-flex;align-items:center;gap:6px;background:var(--c-primary-lt);color:var(--c-primary-dk);font-size:12px;font-weight:600;padding:6px 12px;border-radius:var(--r-pill)}

/* ---------- 板块 ---------- */
.section{padding:88px 0}
.section.tight{padding-top:0}
.sec-head{margin-bottom:28px;max-width:720px}
.eyebrow{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;color:var(--c-primary-dk);background:var(--c-primary-lt);padding:5px 12px;border-radius:var(--r-pill);margin-bottom:14px}
.sec-head h2{font-size:clamp(22px,2.6vw,30px);margin-bottom:10px}
.sec-head p{font-size:15px;color:var(--c-muted);margin:0}

/* ---------- 对比卡 ---------- */
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.compare-card{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:28px;
  box-shadow:var(--sh-1);
  transition:box-shadow .18s ease,transform .18s ease;
}
.compare-card:hover{box-shadow:var(--sh-2);transform:translateY(-3px)}
.card-head{display:flex;align-items:center;gap:12px;margin-bottom:8px}
.icon-circle{
  width:44px;height:44px;flex:none;border-radius:50%;
  background:var(--c-primary-lt);
  display:grid;place-items:center;
  color:var(--c-primary-dk);
}
.card-head h3{font-size:19px;font-weight:600;line-height:1.4}
.card-sub{font-size:13px;color:var(--c-muted);margin:0 0 12px 56px}
.feature-row{display:flex;gap:12px;padding:16px 0;border-bottom:1px dashed var(--c-line)}
.feature-row:last-child{border-bottom:none;padding-bottom:0}
.feature-row .ic{
  width:34px;height:34px;flex:none;border-radius:10px;
  background:var(--c-primary-lt);
  display:grid;place-items:center;color:var(--c-primary-dk);
}
.feature-row h4{font-size:16px;font-weight:600;margin-bottom:4px}
.feature-row p{font-size:14px;line-height:1.8;color:var(--c-muted);margin:0}

/* ---------- 数据条 ---------- */
.stat-bar{
  display:grid;grid-template-columns:repeat(3,1fr);
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  overflow:hidden;
  margin-top:40px;
}
.stat{padding:28px 24px;text-align:center;border-right:1px dashed var(--c-line)}
.stat:last-child{border-right:none}
.stat .num{font-size:clamp(28px,3.4vw,40px);font-weight:700;color:var(--c-primary);line-height:1.1}
.stat .num small{font-size:14px;font-weight:600;margin-left:3px;color:var(--c-primary-dk)}
.stat .lab{font-size:13px;color:var(--c-muted);margin-top:8px}

/* ---------- 大图特性 ---------- */
.visual-block{
  position:relative;
  display:flex;align-items:center;
  border-radius:20px;
  overflow:hidden;
  min-height:420px;
  box-shadow:var(--sh-2);
  background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat,
             linear-gradient(120deg,#16241A,#1F3D2B);
}
.visual-block::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(22,36,26,.94) 0%,rgba(22,36,26,.82) 46%,rgba(22,36,26,.45) 100%);
}
.visual-inner{
  position:relative;z-index:2;
  display:flex;align-items:center;gap:40px;
  width:100%;
  padding:48px;
}
.visual-text{max-width:520px;color:#fff}
.visual-text h2{font-size:clamp(22px,2.6vw,30px);color:#fff;margin-bottom:14px}
.visual-text p{font-size:15px;line-height:1.85;color:rgba(255,255,255,.86);margin-bottom:20px}
.visual-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:24px}
.visual-tags span{
  font-size:12px;font-weight:600;
  padding:6px 12px;border-radius:var(--r-pill);
  color:#E8F2DE;border:1px solid rgba(232,242,222,.32);background:rgba(232,242,222,.08);
}
.visual-shot{
  margin-left:auto;flex:none;width:38%;max-width:340px;
  border-radius:16px;overflow:hidden;
  box-shadow:0 18px 36px rgba(0,0,0,.35);
  transform:rotate(2deg);
  border:1px solid rgba(255,255,255,.18);
  background:#fff;
}
.visual-shot img{width:100%;aspect-ratio:16/10;object-fit:cover}

/* ---------- 引用短评 ---------- */
.quote-card{
  background:var(--c-primary-lt);
  border-left:4px solid var(--c-primary);
  border-radius:var(--r-card);
  padding:32px;
  max-width:900px;
}
.quote-card blockquote{margin:0 0 16px;font-size:19px;line-height:1.8;color:#22331F;font-weight:500}
.quote-by{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--c-muted)}
.quote-avatar{width:40px;height:40px;border-radius:50%;background:var(--c-lime);display:grid;place-items:center;color:#1F3D2B;flex:none}
.quote-tag{display:inline-flex;font-size:12px;font-weight:600;background:#fff;color:var(--c-primary-dk);padding:3px 10px;border-radius:var(--r-pill)}

/* ---------- FAQ ---------- */
.accordion-k .accordion-item{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card)!important;
  overflow:hidden;
  margin-bottom:12px;
  box-shadow:var(--sh-1);
}
.accordion-k .accordion-button{
  font-size:16px;font-weight:600;
  color:var(--c-ink);
  background:var(--c-surface);
  padding:18px 22px;
  box-shadow:none;
  border-radius:0!important;
  line-height:1.6;
}
.accordion-k .accordion-button:focus{box-shadow:none;outline:2px solid var(--c-primary);outline-offset:-2px}
.accordion-k .accordion-button:not(.collapsed){
  background:var(--c-primary-lt);
  color:var(--c-primary-dk);
  box-shadow:inset 3px 0 0 var(--c-primary);
}
.accordion-k .accordion-button::after{
  content:"+";
  background-image:none;
  font-size:22px;font-weight:400;
  width:24px;height:24px;line-height:1;
  display:grid;place-items:center;
  color:var(--c-primary-dk);
  transform:none;
  transition:transform .2s ease;
}
.accordion-k .accordion-button:not(.collapsed)::after{transform:rotate(45deg)}
.accordion-k .accordion-body{
  padding:2px 22px 22px;
  font-size:15px;line-height:1.85;
  color:#3B4A3D;
  background:var(--c-bg);
  border-top:1px dashed var(--c-line);
}

/* ---------- CTA 条 ---------- */
.cta-band{
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  background:var(--c-primary-lt);
  border:1px solid #D7E7C6;
  border-radius:20px;
  padding:40px;
}
.cta-band h2{font-size:clamp(20px,2.4vw,26px);margin-bottom:8px}
.cta-band p{font-size:14px;color:#4B5B49;margin:0}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-forest);color:rgba(255,255,255,.8);margin-top:64px;padding-top:64px}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:40px}
.brand-foot .brand-name{color:#fff}
.brand-foot .brand-mark{background:rgba(169,206,107,.14);border-color:rgba(169,206,107,.28)}
.foot-brand p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.62);margin:16px 0 0;max-width:320px}
.foot-badges{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.badge-soft{background:rgba(169,206,107,.16);color:#CFE6A8;font-size:12px;font-weight:600;padding:5px 12px;border-radius:var(--r-pill)}
.foot-col h4{font-size:15px;color:#fff;margin:0 0 16px;font-weight:600}
.foot-links li{margin-bottom:10px;font-size:14px;line-height:1.7}
.foot-links a{color:rgba(255,255,255,.7);position:relative;display:inline-block;transition:color .18s ease,padding-left .18s ease}
.foot-links a:hover{color:#fff;padding-left:10px}
.foot-links a:hover::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:2px;height:14px;background:var(--c-lime);border-radius:2px;
}
.foot-links span{color:rgba(255,255,255,.7)}
.foot-qr{
  margin-top:18px;width:112px;height:88px;
  border:1px dashed rgba(255,255,255,.35);
  border-radius:12px;
  display:grid;place-items:center;text-align:center;
  font-size:12px;line-height:1.6;color:rgba(255,255,255,.5);
}
.foot-bottom{
  display:flex;justify-content:space-between;align-items:flex-start;gap:16px;flex-wrap:wrap;
  border-top:1px solid rgba(255,255,255,.12);
  margin-top:48px;padding:22px 0 28px;
  font-size:12.5px;color:rgba(255,255,255,.5);
}
.foot-bottom p{margin:0;max-width:640px;line-height:1.7}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .visual-shot{width:36%}
}
@media (max-width:991px){
  .header-inner{min-height:60px;padding:8px 14px}
  .nav-toggle{display:inline-flex}
  .nav-cards{
    display:none;
    position:absolute;left:0;right:0;top:calc(100% + 10px);
    grid-template-columns:1fr 1fr;gap:10px;
    padding:12px;margin-left:0;
    background:var(--c-bg);
    border:1px solid var(--c-line);
    border-radius:var(--r-card);
    box-shadow:var(--sh-2);
  }
  .nav-cards.open{display:grid}
  .nav-card{justify-content:flex-start;padding:12px;border-radius:12px;white-space:normal;font-size:13.5px}
  .section{padding:64px 0}
  .compare-grid{grid-template-columns:1fr}
  .visual-inner{padding:36px;gap:24px}
  .visual-shot{display:none}
  .visual-text{max-width:100%}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
  .site-footer{padding-top:52px}
}
@media (max-width:767px){
  .hero-content{padding:40px 0 44px}
  .hero-media{width:100%;opacity:.16}
  .stat-bar{grid-template-columns:1fr}
  .stat{border-right:none;border-bottom:1px dashed var(--c-line);padding:22px}
  .stat:last-child{border-bottom:none}
  .cta-band{padding:28px}
  .quote-card{padding:24px}
  .quote-card blockquote{font-size:17px}
  .compare-card{padding:20px}
  .card-sub{margin-left:0}
}
@media (max-width:575px){
  .container{padding-left:16px;padding-right:16px}
  .section{padding:44px 0}
  .brand-name{font-size:15px}
  .btn-k{width:100%}
  .btn-row{flex-direction:column}
  .foot-grid{grid-template-columns:1fr}
  .foot-bottom{flex-direction:column}
  .visual-inner{padding:24px}
  .accordion-k .accordion-button{font-size:15px;padding:16px 18px}
}

/* roulang page: category3 */
:root{
  --c-ink:#16241A;
  --c-forest:#1F3D2B;
  --c-primary:#4E9A3D;
  --c-primary-dk:#3A7A2E;
  --c-primary-lt:#E8F2DE;
  --c-lime:#A9CE6B;
  --c-accent:#EE9B2E;
  --c-accent-dk:#D4861B;
  --c-surface:#FFFFFF;
  --c-bg:#F7F8F1;
  --c-line:#E3E8D8;
  --c-muted:#6B7869;
  --r-card:16px;
  --r-btn:12px;
  --r-pill:999px;
  --r-input:10px;
  --sh-1:0 2px 8px rgba(22,36,26,.06);
  --sh-2:0 12px 28px rgba(22,36,26,.10);
  --bs-primary:#4E9A3D;
  --bs-primary-rgb:78,154,61;
  --bs-body-color:#16241A;
  --bs-body-bg:#F7F8F1;
  --bs-link-color:#3A7A2E;
  --bs-link-hover-color:#4E9A3D;
  --bs-border-color:#E3E8D8;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink);
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",Inter,system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--c-primary-dk);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--c-primary)}
p{margin:0 0 1em}
h1,h2,h3,h4{margin:0;color:var(--c-ink);font-weight:700}
ul,ol{margin:0;padding:0}
button,input,select,textarea{font-family:inherit;font-size:inherit}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;box-shadow:none}
::selection{background:var(--c-primary-lt);color:var(--c-primary-dk)}
.container{
  width:100%;
  max-width:1200px;
  margin-left:auto;
  margin-right:auto;
  padding-left:24px;
  padding-right:24px;
}

/* ---------- Header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  padding:12px 0;
  background:rgba(247,248,241,.94);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  border-bottom:1px solid rgba(227,232,216,.8);
}
.header-card{
  position:relative;
  display:flex;
  align-items:center;
  gap:18px;
  height:72px;
  padding:0 20px;
  background:var(--c-surface);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
}
.brand{display:inline-flex;align-items:center;gap:10px;flex:none}
.brand-mark{
  width:36px;height:36px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--c-primary-lt);
  border-radius:50%;
  flex:none;
}
.brand-name{
  font-size:16px;
  font-weight:700;
  color:var(--c-ink);
  letter-spacing:0;
  white-space:nowrap;
}
.brand:hover .brand-name{color:var(--c-primary-dk)}
.nav-cards{
  display:flex;
  align-items:center;
  gap:8px;
  margin-left:auto;
}
.nav-card{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:8px 12px;
  border-radius:var(--r-pill);
  background:var(--c-primary-lt);
  color:var(--c-primary-dk);
  font-size:13.5px;
  font-weight:600;
  line-height:1.4;
  white-space:nowrap;
  transition:transform .18s ease,background-color .18s ease,color .18s ease,box-shadow .18s ease;
}
.nav-card svg{flex:none}
.nav-card:hover{
  background:#DCEBCE;
  color:var(--c-primary-dk);
  transform:translateY(-2px);
  box-shadow:var(--sh-1);
}
.nav-card.active{
  background:var(--c-primary);
  color:#fff;
}
.nav-card.active:hover{background:var(--c-primary-dk);color:#fff}
.header-cta{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  height:40px;
  padding:0 18px;
  border-radius:var(--r-btn);
  background:var(--c-accent);
  color:#fff;
  font-size:14px;
  font-weight:600;
  white-space:nowrap;
  transition:background-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.header-cta:hover{background:var(--c-accent-dk);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.nav-toggle{
  display:none;
  align-items:center;
  justify-content:center;
  width:40px;height:40px;
  border:1px solid var(--c-line);
  border-radius:var(--r-btn);
  background:#fff;
  color:var(--c-ink);
  cursor:pointer;
  margin-left:auto;
}
.nav-toggle:hover{border-color:var(--c-primary);color:var(--c-primary-dk)}

/* ---------- Buttons ---------- */
.btn-kg{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 24px;
  border:1px solid transparent;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:600;
  line-height:1;
  cursor:pointer;
  white-space:nowrap;
  transition:transform .18s ease,background-color .18s ease,border-color .18s ease,color .18s ease,box-shadow .18s ease;
}
.btn-kg svg{flex:none}
.btn-kg:active{transform:translateY(0)}
.btn-primary-kg{background:var(--c-primary);color:#fff}
.btn-primary-kg:hover{background:var(--c-primary-dk);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-accent{background:var(--c-accent);color:#fff}
.btn-accent:hover{background:var(--c-accent-dk);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-outline{background:#fff;border-color:var(--c-line);color:var(--c-ink)}
.btn-outline:hover{border-color:var(--c-primary);background:var(--c-primary-lt);color:var(--c-primary-dk)}
.btn-lg{height:52px;padding:0 28px;font-size:16px}

/* ---------- Page hero ---------- */
.page-hero{
  position:relative;
  overflow:hidden;
  background:var(--c-bg);
  padding:34px 0 60px;
  border-bottom:1px solid var(--c-line);
}
.page-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:right center;
  opacity:.16;
  -webkit-mask-image:linear-gradient(90deg,transparent 28%,#000 100%);
  mask-image:linear-gradient(90deg,transparent 28%,#000 100%);
  pointer-events:none;
}
.page-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background-image:radial-gradient(circle,rgba(31,61,43,.55) 1.2px,transparent 1.5px);
  background-size:24px 24px;
  opacity:.06;
  pointer-events:none;
}
.page-hero .container{position:relative;z-index:1}
.crumbs{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:6px;
  font-size:12px;
  color:var(--c-muted);
  margin-bottom:22px;
}
.crumbs a{color:var(--c-muted)}
.crumbs a:hover{color:var(--c-primary-dk)}
.crumbs span.sep{color:#B9C4AE}
.page-hero h1{
  font-size:clamp(28px,4vw,42px);
  line-height:1.25;
  font-weight:700;
  max-width:760px;
  margin:0 0 14px;
}
.hero-lead{
  font-size:14px;
  color:var(--c-muted);
  margin:0 0 26px;
  max-width:620px;
  line-height:1.9;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px}

/* ---------- Sections ---------- */
.section{padding:88px 0}
.sec-head{max-width:720px;margin-bottom:28px}
.sec-head h2{
  font-size:clamp(22px,2.6vw,30px);
  line-height:1.35;
  margin:0 0 10px;
  text-align:left;
}
.sec-head p{margin:0;color:var(--c-muted);font-size:15px;line-height:1.85}

/* ---------- Topic grid ---------- */
.topic-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:20px;
}
.topic-card{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:28px;
  box-shadow:var(--sh-1);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.topic-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--sh-2);
  border-color:rgba(78,154,61,.38);
}
.topic-icon{
  width:48px;height:48px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:50%;
  background:var(--c-primary-lt);
  color:var(--c-primary-dk);
  margin-bottom:16px;
}
.topic-card h3{font-size:19px;line-height:1.5;font-weight:600;margin:0 0 8px}
.topic-card p{margin:0;font-size:14.5px;line-height:1.8;color:var(--c-muted)}

/* ---------- Notice panel ---------- */
.notice-panel{
  position:relative;
  overflow:hidden;
  background:var(--c-forest);
  border-radius:20px;
  padding:48px;
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:44px;
  align-items:center;
  box-shadow:var(--sh-2);
}
.notice-panel::after{
  content:"";
  position:absolute;
  right:-40px;top:-40px;
  width:260px;height:260px;
  background-image:radial-gradient(circle,rgba(169,206,107,.9) 1.4px,transparent 1.7px);
  background-size:20px 20px;
  opacity:.12;
  pointer-events:none;
}
.notice-copy{position:relative;z-index:1}
.badge-soft{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 12px;
  border-radius:var(--r-pill);
  background:var(--c-primary-lt);
  color:var(--c-primary-dk);
  font-size:12px;
  font-weight:600;
  line-height:1.6;
}
.notice-panel h2{
  color:#fff;
  font-size:clamp(22px,2.4vw,28px);
  line-height:1.4;
  margin:16px 0 20px;
}
.notice-list{
  list-style:none;
  display:flex;
  flex-direction:column;
  gap:14px;
  margin:0 0 28px;
}
.notice-list li{
  display:flex;
  gap:12px;
  font-size:15px;
  line-height:1.8;
  color:rgba(255,255,255,.82);
}
.notice-list li svg{flex:none;margin-top:5px;color:var(--c-lime)}
.notice-figure{position:relative;z-index:1;margin:0}
.notice-figure img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  border-radius:16px;
  border:1px solid rgba(255,255,255,.16);
}
.notice-figure figcaption{
  margin-top:12px;
  font-size:13px;
  color:rgba(255,255,255,.6);
  line-height:1.7;
}
.btn-ghost-light{
  background:transparent;
  border-color:rgba(255,255,255,.34);
  color:#fff;
}
.btn-ghost-light:hover{
  background:#fff;
  border-color:#fff;
  color:var(--c-primary-dk);
}

/* ---------- FAQ ---------- */
.faq-acc .accordion-item{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  margin-bottom:12px;
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:border-color .18s ease,box-shadow .18s ease;
}
.faq-acc .accordion-item:hover{border-color:rgba(78,154,61,.35)}
.faq-acc .accordion-item:has(.accordion-button:not(.collapsed)){
  border-left:3px solid var(--c-primary);
  box-shadow:var(--sh-2);
}
.faq-acc .accordion-header{margin:0}
.faq-acc .accordion-button{
  width:100%;
  background:var(--c-surface);
  color:var(--c-ink);
  font-size:16px;
  font-weight:600;
  line-height:1.6;
  padding:18px 20px;
  border:0;
  border-radius:0;
  box-shadow:none;
}
.faq-acc .accordion-button:not(.collapsed){
  color:var(--c-primary-dk);
  background:var(--c-surface);
  box-shadow:none;
}
.faq-acc .accordion-button:focus{box-shadow:none;border:0}
.faq-acc .accordion-button::after{
  width:20px;height:20px;
  background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%234E9A3D' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='M12 5v14M5 12h14'/%3E%3C/svg%3E");
  background-size:20px 20px;
  transition:transform .2s ease;
}
.faq-acc .accordion-button:not(.collapsed)::after{transform:rotate(45deg)}
.faq-acc .accordion-body{
  background:var(--c-bg);
  color:#334436;
  font-size:15px;
  line-height:1.85;
  padding:16px 20px 20px;
}

/* ---------- CTA band ---------- */
.section-cta{padding-top:0}
.cta-band{
  background:var(--c-primary-lt);
  border:1px solid #D8E7C9;
  border-radius:20px;
  padding:40px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
}
.cta-band h2{font-size:clamp(20px,2.2vw,26px);line-height:1.4;margin:0 0 10px}
.cta-band p{margin:0;font-size:14.5px;line-height:1.8;color:#3F5340;max-width:620px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- Footer ---------- */
.site-footer{
  background:var(--c-forest);
  color:#fff;
  padding:64px 0 32px;
  margin-top:72px;
}
.foot-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:40px;
}
.brand-foot .brand-mark{background:rgba(169,206,107,.16)}
.brand-foot .brand-name{color:#fff;font-size:15.5px}
.brand-foot:hover .brand-name{color:#fff}
.foot-brand p{
  margin:16px 0 18px;
  font-size:14px;
  line-height:1.8;
  color:rgba(255,255,255,.72);
  max-width:320px;
}
.foot-badges{display:flex;flex-wrap:wrap;gap:8px}
.foot-badges .badge-soft{background:rgba(169,206,107,.16);color:#D6EBB6}
.foot-col h4{
  font-size:15px;
  font-weight:600;
  color:#fff;
  margin:0 0 16px;
}
.foot-links{list-style:none;display:flex;flex-direction:column;gap:10px;font-size:14px}
.foot-links li{line-height:1.7}
.foot-links a,.foot-links span{
  color:rgba(255,255,255,.7);
  position:relative;
  display:inline-block;
  transition:color .18s ease,padding-left .18s ease;
}
.foot-links a::before{
  content:"";
  position:absolute;
  left:0;top:50%;
  width:2px;height:0;
  background:var(--c-lime);
  transform:translateY(-50%);
  transition:height .18s ease;
}
.foot-links a:hover{color:#fff;padding-left:10px}
.foot-links a:hover::before{height:14px}
.foot-qr{
  width:104px;height:104px;
  margin-top:16px;
  border:1px dashed rgba(255,255,255,.4);
  border-radius:12px;
  display:flex;
  align-items:center;
  justify-content:center;
  text-align:center;
  font-size:12px;
  line-height:1.5;
  color:rgba(255,255,255,.6);
}
.foot-bottom{
  display:flex;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:16px;
  margin-top:44px;
  padding-top:20px;
  border-top:1px solid rgba(255,255,255,.14);
  font-size:13px;
  color:rgba(255,255,255,.6);
}
.foot-bottom p{margin:0;line-height:1.7}

/* ---------- Responsive ---------- */
@media (max-width:1199px){
  .nav-card{padding:7px 10px;font-size:13px}
  .header-cta{padding:0 14px}
}
@media (max-width:991px){
  .header-card{height:64px;gap:12px}
  .nav-toggle{display:inline-flex}
  .header-cta{display:none}
  .nav-cards{
    display:none;
    position:absolute;
    top:calc(100% + 10px);
    left:0;
    right:0;
    grid-template-columns:1fr 1fr;
    gap:8px;
    padding:12px;
    background:var(--c-bg);
    border:1px solid var(--c-line);
    border-radius:var(--r-card);
    box-shadow:var(--sh-2);
    margin-left:0;
  }
  .header-card.open .nav-cards{display:grid}
  .nav-cards .nav-card{
    justify-content:flex-start;
    padding:10px 12px;
    font-size:13.5px;
    border-radius:12px;
  }
  .section{padding:64px 0}
  .page-hero{padding:28px 0 48px}
  .topic-grid{grid-template-columns:repeat(2,1fr)}
  .notice-panel{grid-template-columns:1fr;padding:36px;gap:28px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-band{padding:32px}
}
@media (max-width:767px){
  .brand-name{font-size:15px}
  .hero-actions .btn-kg{flex:1 1 auto}
  .cta-actions{width:100%}
  .cta-actions .btn-kg{flex:1 1 100%}
}
@media (max-width:575px){
  .container{padding-left:16px;padding-right:16px}
  .header-card{padding:0 14px;height:60px}
  .brand-mark{width:32px;height:32px}
  .brand-name{font-size:14px;max-width:170px;overflow:hidden;text-overflow:ellipsis}
  .page-hero{padding:22px 0 40px}
  .hero-lead{font-size:13.5px}
  .section{padding:44px 0}
  .topic-grid{grid-template-columns:1fr;gap:14px}
  .topic-card{padding:20px}
  .notice-panel{padding:24px;border-radius:16px}
  .notice-list li{font-size:14.5px}
  .faq-acc .accordion-button{font-size:15px;padding:16px 16px}
  .faq-acc .accordion-body{padding:14px 16px 18px}
  .cta-band{padding:24px;border-radius:16px}
  .foot-grid{grid-template-columns:1fr;gap:28px}
  .site-footer{padding:48px 0 28px;margin-top:48px}
  .foot-bottom{flex-direction:column;gap:10px}
}